Audio (sound round, 2026-10-14). All CC0 1.0. Kenney licences verified from each pack zip's License.txt ("Creative Commons
Zero, CC0"); OpenGameArt licences verified from each entry page's licence field ("CC0").
Format: file | pack / original file | author | source URL | licence
music-main.ogg | Children's March Theme / Children's March Theme.ogg (childrens_march_theme.zip) | CleytonKauffman | https://opengameart.org/content/childrens-march-theme | CC0 1.0
music-results.ogg | And the winner is / winneris_0.ogg (chiptune victory sting made for the racing game Road TXTR) | congusbongus | https://opengameart.org/content/and-the-winner-is | CC0 1.0
sfx-count.ogg | Digital Audio / Audio/tone1.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/digital-audio | CC0 1.0
sfx-go.ogg | Digital Audio / Audio/highUp.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/digital-audio | CC0 1.0
sfx-voice-3.ogg | Voiceover Pack / Female/3.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/voiceover-pack | CC0 1.0
sfx-voice-2.ogg | Voiceover Pack / Female/2.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/voiceover-pack | CC0 1.0
sfx-voice-1.ogg | Voiceover Pack / Female/1.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/voiceover-pack | CC0 1.0
sfx-voice-go.ogg | Voiceover Pack / Female/go.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/voiceover-pack | CC0 1.0
sfx-boost1.ogg | Digital Audio / Audio/phaserUp1.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/digital-audio | CC0 1.0
sfx-boost2.ogg | Digital Audio / Audio/phaserUp3.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/digital-audio | CC0 1.0
sfx-sputter.ogg | Digital Audio / Audio/lowRandom.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/digital-audio | CC0 1.0
sfx-launch.ogg | Digital Audio / Audio/powerUp4.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/digital-audio | CC0 1.0
sfx-jump.ogg | Digital Audio / Audio/lowDown.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/digital-audio | CC0 1.0
sfx-pad1.ogg | Digital Audio / Audio/powerUp2.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/digital-audio | CC0 1.0
sfx-pad2.ogg | Digital Audio / Audio/powerUp7.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/digital-audio | CC0 1.0
sfx-sling.ogg | Digital Audio / Audio/phaseJump1.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/digital-audio | CC0 1.0
sfx-cone1.ogg | Impact Sounds / Audio/impactPlate_light_000.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/impact-sounds | CC0 1.0
sfx-cone2.ogg | Impact Sounds / Audio/impactPlate_light_001.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/impact-sounds | CC0 1.0
sfx-cone3.ogg | Impact Sounds / Audio/impactPlate_light_002.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/impact-sounds | CC0 1.0
sfx-bell.ogg | Impact Sounds / Audio/impactBell_heavy_000.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/impact-sounds | CC0 1.0
sfx-armed.ogg | UI Audio / Audio/switch2.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/ui-audio | CC0 1.0
sfx-lap.ogg | Casino Audio / Audio/chips-stack-1.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/casino-audio | CC0 1.0
sfx-shuffle.ogg | Casino Audio / Audio/card-fan-1.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/casino-audio | CC0 1.0
sfx-place.ogg | Casino Audio / Audio/card-place-1.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/casino-audio | CC0 1.0
sfx-finish.ogg | Interface Sounds / Audio/confirmation_002.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/interface-sounds | CC0 1.0
sfx-close.ogg | Interface Sounds / Audio/close_001.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/interface-sounds | CC0 1.0
sfx-tick.ogg | Interface Sounds / Audio/tick_004.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/interface-sounds | CC0 1.0
sfx-winner.ogg | Music Jingles / Pizzicato jingles/jingles_PIZZI07.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/music-jingles | CC0 1.0
sfx-whirr.wav | generated for this project (procedural toy-motor whirr + rug rumble, 11 kHz mono, Node script, no samples) | Tap Tavern | - | CC0 1.0 (dedicated by the project)

2026-10-17 mix pass: music files remastered with constant gain to target -20 LUFS, limited by -3 dB true-peak headroom. Original timing and loop points retained. Sources and licences above are unchanged.

music-final-lap.ogg | Children's March Theme / Children's March Theme.ogg (childrens_march_theme.zip) | CleytonKauffman | https://opengameart.org/content/childrens-march-theme | CC0 1.0 | Adaptation: pitch-preserving 1.12x tempo, gentle bass lift, level matched; final-lap arrangement. Source licence rechecked 2026-10-17.